441140243 has 4 divisors (see below), whose sum is σ = 442857000. Its totient is φ = 439423488.

The previous prime is 441140237. The next prime is 441140251. The reversal of 441140243 is 342041144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441140243 - 2⁶ = 441140179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441140213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857993 + ... + 858506.

It is an arithmetic number, because the mean of its divisors is an integer number (110714250).

Almost surely, 2^441140243 is an apocalyptic number.

441140243 is a deficient number, since it is larger than the sum of its proper divisors (1716757).

441140243 is a wasteful number, since it uses less digits than its factorization.

441140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716756.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 441140243 is about 21003.3388536204. The cubic root of 441140243 is about 761.2469390508.

Adding to 441140243 its reverse (342041144), we get a palindrome (783181387).

Subtracting from 441140243 its reverse (342041144), we obtain a palindrome (99099099).

The spelling of 441140243 in words is "four hundred forty-one million, one hundred forty thousand, two hundred forty-three".